<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>测试引入顶部栏</title>
    <link rel="stylesheet" href="./header.css">
    <style>
        body{
            color:white
        }

    </style>
</head>
<body>
    <script type="text/javascript" src="./header_html.js"></script>

    这是一个测试用的页面。
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
   <script src="./header_js.js"></script>
</body>
</html>